Copyright © 1979 by the Estate of Albert Einstein

Foreword © 2013 by Princeton University Press

Princeton University Press,

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All Rights Reserved

First printing, 1979

First paperback printing, 1981

Paperback reissue, 2013

Library of Congress Control Number 2013938901

ISBN 978-0-691-16023-8

British Library Cataloging-in-Publication Data is available

Printed on acid-free paper. ∞

Printed in the United States of America

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